Jefferson County residents along the Arkansas River are watching water levels with high anxiety today after emergency officials said Thursday that evacuation is the only way to ensure their safety. Heavy rains in Oklahoma have inundated the river, which is expected to crest at or above 46 feet on Sunday, June 2. The river is expected to reach flood stage, 42 feet, by this weekend and continue to rise next week. Late Thursday afternoon, the National Weather Service issued a flood warning for the Arkansas River extending from Little Rock to at least halfway through Jefferson County...